diff --git a/src/index.js b/src/index.js
index 6bc8bb6..005801c 100644
--- a/src/index.js
+++ b/src/index.js
@@ -195,7 +195,7 @@ CoCreateModal.prototype = {
             modal.viewPort._removeModal(modal)
             break;
           case 'maximize':
-            modal.position.minMax();
+            modal.el.position.minMax();
             break;
           case 'park':
             modal.togglePark();